Public Water Systems
10,988 active public water systems in WI, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
| Nwcp 9 Hp - Ball Diamond | Wisconsin Rapids, WI | 50 | 17 | - |
| Dollar General Inc | Goodlettsville, WI | 50 | 0 | - |
| Prentice Park Comfort Station | Ashland, WI | 50 | 4 | - |
| Aspen Ridge | Highbridge, WI | 50 | 114 | - |
| St Pauls Lutheran Church | Marengo, WI | 50 | 11 | - |
| Big Bay Island Park Parking Area Drinking Fountain | Lapointe, WI | 50 | 12 | - |
| Grandpa Tonys Restaurant | Lapointe, WI | 50 | 29 | - |
| Cable Nature Lodge | Cable, WI | 50 | 5 | - |
| Faith Lutheran Church | Mason, WI | 50 | 5 | - |
| Birch Grove Campground | Iron River, WI | 50 | 0 | - |
| Buskey Bay Resort | Iron River, WI | 50 | 3 | - |
| Flying Eagle Resort Campground Well | Iron River, WI | 50 | 38 | - |
| Flying Eagle Resort Main Lodge | Iron River, WI | 50 | 42 | - |
| Trauts Resort LLC | Barnes, WI | 50 | 0 | - |
| Ashland Ford Chrysler | Ashland, WI | 50 | 866 | - |
| U S F S Two Lakes Cmpgd 6 | Washburn, WI | 50 | 25 | - |
| Apostle Islands Area Campground North | Bayfield, WI | 50 | 25 | - |
| American Legion Post 487 | Cable, WI | 50 | 0 | - |
| Roys Point Marina | Bayfield, WI | 50 | 0 | - |
| Kirsten Soccer Complex | Washburn, WI | 50 | 0 | - |
| Home Base at Mt Telemark Village LLC | Hayward, WI | 50 | 0 | - |
| Webb Lake Inn | Danbury, WI | 50 | 20 | - |
| Voyager Village Cadott West | Danbury, WI | 50 | 0 | - |
| Voyager Village Little Bear Landing | Danbury, WI | 50 | 0 | - |
| Clam Dam Park | Siren, WI | 50 | 0 | - |
| Faiths Lodge | Danbury, WI | 50 | 0 | - |
| Burnett County Family Resource Center | Webster, WI | 50 | 0 | - |
| Archie and Arthurs Icehouse | Danbury, WI | 50 | 6 | - |
| Hillside Inn | Danbury, WI | 50 | 3 | - |
| Last Call | Siren, WI | 50 | 23 | - |
| Midtown Tavern | Siren, WI | 50 | 3 | - |
| Mallard Lake Resort 1 | Webster, WI | 50 | 5 | - |
| Stuarts Leisure Acre Campground | Webster, WI | 50 | 32 | - |
| Brandis Bar and Grill | Danbury, WI | 50 | 22 | - |
| Rec on Yellow Lake | Danbury, WI | 50 | 25 | - |
| Bumps Lakeside | Hastings, WI | 50 | 8 | - |
| Bottens Green Acres Golf Course | Lake Nebagamon, WI | 50 | 0 | - |
| Hungry Trout Inn | Brule, WI | 50 | 31 | - |
| Rellies Rusty Axe Tavern | Superior, WI | 50 | 9 | - |
| Poplar Golf and Campground Campsites | Iron River, WI | 50 | 4 | - |
| Family Forum Head Start Inc Center 4 | Superior, WI | 50 | 5 | - |
| Assembly Park Bible Camp Staff Area | Lake Nebagamon, WI | 50 | 0 | - |
| Iron County Schomberg Cmpgd | Hurley, WI | 50 | 0 | - |
| Eagle Bluff Country Club | Hurley, WI | 50 | 36 | - |
| Harbor Lights Inn | Saxon, WI | 50 | 6 | - |
| Donners Bay Resort | Butternut, WI | 50 | 44 | - |
| Crane Chase Bar and Grill | Park Falls, WI | 50 | 35 | - |
| I a P Inc | Phillips, WI | 50 | 125 | - |
| Wild Goose Resort | Amherst, WI | 50 | 9 | - |
| Big Dipper The | Park Falls, WI | 50 | 8 | - |